6. A notice was _____ in order to remind the students of the changed lecture time.

Having been told _____ where he lived, I had no difficulty in finding Peter’s address [ ]

The summer vocation lasts ______ the beginning of July to the end of August.

Dave really likes driving. I think being a __________ is just right for him.

An excellent teacher is believed to be one who devotes (奉献) himself to the children but asks for nothing .